1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
2 | #ifndef _UAPI_IF_TUNNEL_H_ |
3 | #define _UAPI_IF_TUNNEL_H_ |
4 | |
5 | #include <linux/types.h> |
6 | #include <linux/if.h> |
7 | #include <linux/ip.h> |
8 | #include <linux/in6.h> |
9 | #include <asm/byteorder.h> |
10 | |
11 | |
12 | #define SIOCGETTUNNEL (SIOCDEVPRIVATE + 0) |
13 | #define SIOCADDTUNNEL (SIOCDEVPRIVATE + 1) |
14 | #define SIOCDELTUNNEL (SIOCDEVPRIVATE + 2) |
15 | #define SIOCCHGTUNNEL (SIOCDEVPRIVATE + 3) |
16 | #define SIOCGETPRL (SIOCDEVPRIVATE + 4) |
17 | #define SIOCADDPRL (SIOCDEVPRIVATE + 5) |
18 | #define SIOCDELPRL (SIOCDEVPRIVATE + 6) |
19 | #define SIOCCHGPRL (SIOCDEVPRIVATE + 7) |
20 | #define SIOCGET6RD (SIOCDEVPRIVATE + 8) |
21 | #define SIOCADD6RD (SIOCDEVPRIVATE + 9) |
22 | #define SIOCDEL6RD (SIOCDEVPRIVATE + 10) |
23 | #define SIOCCHG6RD (SIOCDEVPRIVATE + 11) |
24 | |
25 | #define GRE_CSUM __cpu_to_be16(0x8000) |
26 | #define GRE_ROUTING __cpu_to_be16(0x4000) |
27 | #define GRE_KEY __cpu_to_be16(0x2000) |
28 | #define GRE_SEQ __cpu_to_be16(0x1000) |
29 | #define GRE_STRICT __cpu_to_be16(0x0800) |
30 | #define GRE_REC __cpu_to_be16(0x0700) |
31 | #define GRE_ACK __cpu_to_be16(0x0080) |
32 | #define GRE_FLAGS __cpu_to_be16(0x0078) |
33 | #define GRE_VERSION __cpu_to_be16(0x0007) |
34 | |
35 | #define GRE_IS_CSUM(f) ((f) & GRE_CSUM) |
36 | #define GRE_IS_ROUTING(f) ((f) & GRE_ROUTING) |
37 | #define GRE_IS_KEY(f) ((f) & GRE_KEY) |
38 | #define GRE_IS_SEQ(f) ((f) & GRE_SEQ) |
39 | #define GRE_IS_STRICT(f) ((f) & GRE_STRICT) |
40 | #define GRE_IS_REC(f) ((f) & GRE_REC) |
41 | #define GRE_IS_ACK(f) ((f) & GRE_ACK) |
42 | |
43 | #define GRE_VERSION_0 __cpu_to_be16(0x0000) |
44 | #define GRE_VERSION_1 __cpu_to_be16(0x0001) |
45 | #define GRE_PROTO_PPP __cpu_to_be16(0x880b) |
46 | #define GRE_PPTP_KEY_MASK __cpu_to_be32(0xffff) |
47 | |
48 | struct ip_tunnel_parm { |
49 | char name[IFNAMSIZ]; |
50 | int link; |
51 | __be16 i_flags; |
52 | __be16 o_flags; |
53 | __be32 i_key; |
54 | __be32 o_key; |
55 | struct iphdr iph; |
56 | }; |
57 | |
58 | enum { |
59 | IFLA_IPTUN_UNSPEC, |
60 | IFLA_IPTUN_LINK, |
61 | IFLA_IPTUN_LOCAL, |
62 | IFLA_IPTUN_REMOTE, |
63 | IFLA_IPTUN_TTL, |
64 | IFLA_IPTUN_TOS, |
65 | IFLA_IPTUN_ENCAP_LIMIT, |
66 | IFLA_IPTUN_FLOWINFO, |
67 | IFLA_IPTUN_FLAGS, |
68 | IFLA_IPTUN_PROTO, |
69 | IFLA_IPTUN_PMTUDISC, |
70 | IFLA_IPTUN_6RD_PREFIX, |
71 | IFLA_IPTUN_6RD_RELAY_PREFIX, |
72 | IFLA_IPTUN_6RD_PREFIXLEN, |
73 | IFLA_IPTUN_6RD_RELAY_PREFIXLEN, |
74 | IFLA_IPTUN_ENCAP_TYPE, |
75 | IFLA_IPTUN_ENCAP_FLAGS, |
76 | IFLA_IPTUN_ENCAP_SPORT, |
77 | IFLA_IPTUN_ENCAP_DPORT, |
78 | IFLA_IPTUN_COLLECT_METADATA, |
79 | IFLA_IPTUN_FWMARK, |
80 | __IFLA_IPTUN_MAX, |
81 | }; |
82 | #define IFLA_IPTUN_MAX (__IFLA_IPTUN_MAX - 1) |
83 | |
84 | enum tunnel_encap_types { |
85 | TUNNEL_ENCAP_NONE, |
86 | TUNNEL_ENCAP_FOU, |
87 | TUNNEL_ENCAP_GUE, |
88 | TUNNEL_ENCAP_MPLS, |
89 | }; |
90 | |
91 | #define TUNNEL_ENCAP_FLAG_CSUM (1<<0) |
92 | #define TUNNEL_ENCAP_FLAG_CSUM6 (1<<1) |
93 | #define TUNNEL_ENCAP_FLAG_REMCSUM (1<<2) |
94 | |
95 | /* SIT-mode i_flags */ |
96 | #define SIT_ISATAP 0x0001 |
97 | |
98 | struct ip_tunnel_prl { |
99 | __be32 addr; |
100 | __u16 flags; |
101 | __u16 __reserved; |
102 | __u32 datalen; |
103 | __u32 __reserved2; |
104 | /* data follows */ |
105 | }; |
106 | |
107 | /* PRL flags */ |
108 | #define PRL_DEFAULT 0x0001 |
109 | |
110 | struct ip_tunnel_6rd { |
111 | struct in6_addr prefix; |
112 | __be32 relay_prefix; |
113 | __u16 prefixlen; |
114 | __u16 relay_prefixlen; |
115 | }; |
116 | |
117 | enum { |
118 | IFLA_GRE_UNSPEC, |
119 | IFLA_GRE_LINK, |
120 | IFLA_GRE_IFLAGS, |
121 | IFLA_GRE_OFLAGS, |
122 | IFLA_GRE_IKEY, |
123 | IFLA_GRE_OKEY, |
124 | IFLA_GRE_LOCAL, |
125 | IFLA_GRE_REMOTE, |
126 | IFLA_GRE_TTL, |
127 | IFLA_GRE_TOS, |
128 | IFLA_GRE_PMTUDISC, |
129 | IFLA_GRE_ENCAP_LIMIT, |
130 | IFLA_GRE_FLOWINFO, |
131 | IFLA_GRE_FLAGS, |
132 | IFLA_GRE_ENCAP_TYPE, |
133 | IFLA_GRE_ENCAP_FLAGS, |
134 | IFLA_GRE_ENCAP_SPORT, |
135 | IFLA_GRE_ENCAP_DPORT, |
136 | IFLA_GRE_COLLECT_METADATA, |
137 | IFLA_GRE_IGNORE_DF, |
138 | IFLA_GRE_FWMARK, |
139 | IFLA_GRE_ERSPAN_INDEX, |
140 | IFLA_GRE_ERSPAN_VER, |
141 | IFLA_GRE_ERSPAN_DIR, |
142 | IFLA_GRE_ERSPAN_HWID, |
143 | __IFLA_GRE_MAX, |
144 | }; |
145 | |
146 | #define IFLA_GRE_MAX (__IFLA_GRE_MAX - 1) |
147 | |
148 | /* VTI-mode i_flags */ |
149 | #define VTI_ISVTI ((__force __be16)0x0001) |
150 | |
151 | enum { |
152 | IFLA_VTI_UNSPEC, |
153 | IFLA_VTI_LINK, |
154 | IFLA_VTI_IKEY, |
155 | IFLA_VTI_OKEY, |
156 | IFLA_VTI_LOCAL, |
157 | IFLA_VTI_REMOTE, |
158 | IFLA_VTI_FWMARK, |
159 | __IFLA_VTI_MAX, |
160 | }; |
161 | |
162 | #define IFLA_VTI_MAX (__IFLA_VTI_MAX - 1) |
163 | |
164 | #define TUNNEL_CSUM __cpu_to_be16(0x01) |
165 | #define TUNNEL_ROUTING __cpu_to_be16(0x02) |
166 | #define TUNNEL_KEY __cpu_to_be16(0x04) |
167 | #define TUNNEL_SEQ __cpu_to_be16(0x08) |
168 | #define TUNNEL_STRICT __cpu_to_be16(0x10) |
169 | #define TUNNEL_REC __cpu_to_be16(0x20) |
170 | #define TUNNEL_VERSION __cpu_to_be16(0x40) |
171 | #define TUNNEL_NO_KEY __cpu_to_be16(0x80) |
172 | #define TUNNEL_DONT_FRAGMENT __cpu_to_be16(0x0100) |
173 | #define TUNNEL_OAM __cpu_to_be16(0x0200) |
174 | #define TUNNEL_CRIT_OPT __cpu_to_be16(0x0400) |
175 | #define TUNNEL_GENEVE_OPT __cpu_to_be16(0x0800) |
176 | #define TUNNEL_VXLAN_OPT __cpu_to_be16(0x1000) |
177 | #define TUNNEL_NOCACHE __cpu_to_be16(0x2000) |
178 | #define TUNNEL_ERSPAN_OPT __cpu_to_be16(0x4000) |
179 | #define TUNNEL_GTP_OPT __cpu_to_be16(0x8000) |
180 | |
181 | #define TUNNEL_OPTIONS_PRESENT \ |
182 | (TUNNEL_GENEVE_OPT | TUNNEL_VXLAN_OPT | TUNNEL_ERSPAN_OPT | \ |
183 | TUNNEL_GTP_OPT) |
184 | |
185 | #endif /* _UAPI_IF_TUNNEL_H_ */ |
186 | |